f2fs: remove unneeded initialization

No need to initialize  "struct f2fs_gc_kthread *gc_th = NULL",
as gc_th = NULL, will be taken care by the return values of kmalloc().
And fix codes in other places.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com>

2 files changed, 3 insertions, 3 deletions

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 3271be42c0b6..644aa3808273 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -89,7 +89,7 @@ static int gc_thread_func(void *data)
 
 int start_gc_thread(struct f2fs_sb_info *sbi)
 {
-        struct f2fs_gc_kthread *gc_th = NULL;
+        struct f2fs_gc_kthread *gc_th;
 
         gc_th = kmalloc(sizeof(struct f2fs_gc_kthread), GFP_KERNEL);
         if (!gc_th)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index a177eb387d38..969df1a30d1c 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1489,7 +1489,7 @@ static int build_free_segmap(struct f2fs_sb_info *sbi)
 
 static int build_curseg(struct f2fs_sb_info *sbi)
 {
-        struct curseg_info *array = NULL;
+        struct curseg_info *array;
         int i;
 
         array = kzalloc(sizeof(*array) * NR_CURSEG_TYPE, GFP_KERNEL);
@@ -1656,7 +1656,7 @@ int build_segment_manager(struct f2fs_sb_info *sbi)
 {
         struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
         struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
-        struct f2fs_sm_info *sm_info = NULL;
+        struct f2fs_sm_info *sm_info;
         int err;
 
         sm_info = kzalloc(sizeof(struct f2fs_sm_info), GFP_KERNEL);